package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

   // @Select("SELECT NAME,image FROM tb_brand WHERE id IN (SELECT brand_id FROM `tb_category_brand` WHERE category_id IN(SELECT id FROM `tb_category` WHERE NAME = #{categoryName}) )")
   @Select("SELECT b.name,b.image FROM `tb_brand` b  ,`tb_category_brand` cb ,`tb_category` c WHERE b.id = cb.brand_id AND cb.category_id = c.id AND c.name = #{categoryName}")
    List<Map> findListByCategoryName(String categoryName);
}
